Description
crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as demonstrated by mcryptd(md5).
Metrics
CVSS 3.0 5.5/10
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48a992727d82cb7db076fa15d372178743b1f4cdIssue Tracking, Patch, Third Party Advisory
- http://marc.info/?l=linux-crypto-vger&m=148063683310477&w=2Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.15Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/17/13Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95677
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://bugzilla.redhat.com/show_bug.cgi?id=1404200Issue Tracking
- https://github.com/torvalds/linux/commit/48a992727d82cb7db076fa15d372178743b1f4cdIssue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48a992727d82cb7db076fa15d372178743b1f4cdIssue Tracking, Patch, Third Party Advisory
- http://marc.info/?l=linux-crypto-vger&m=148063683310477&w=2Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.15Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/17/13Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95677
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://bugzilla.redhat.com/show_bug.cgi?id=1404200Issue Tracking
- https://github.com/torvalds/linux/commit/48a992727d82cb7db076fa15d372178743b1f4cdIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Jan 18, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified